81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800

General

Target

81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe
Size

3.2MB
MD5

54ec3c82ae67489ce74cd85e69b5a8a5
SHA1

674b4165c9679ea3626a7aeb3f4791e8869f4b7f
SHA256

81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800
SHA512

7407ff58c4808472f14c5d529dff1f276beb1ff6b1a3852c891fa37f8222f65a29b5f18bd6e0c029d08dc39996f6352e4007e13be6c61d628c45b41165f1dc47
SSDEEP

98304:Gviz/27qWGq/TzuqCDl2Ptao7jA4nWm33Ns:Gviq75/TzufZhsNs

Score

8^/10

defense_evasion discovery persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2344	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	CDS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	crypted.exe

Executes dropped EXE 3 IoCs

pid	Process
5212	CDS.exe
3388	crypted.exe
5556	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
5212	CDS.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CDS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5212	CDS.exe
5212	CDS.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe
5556	Trojan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2668	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2668	AUDIODG.EXE
Token: SeDebugPrivilege	5556	Trojan.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5212	CDS.exe
5212	CDS.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5140 wrote to memory of 5212	5140	81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe	86
PID 5140 wrote to memory of 5212	5140	81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe	86
PID 5140 wrote to memory of 5212	5140	81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe	86
PID 5212 wrote to memory of 3388	5212	CDS.exe	91
PID 5212 wrote to memory of 3388	5212	CDS.exe	91
PID 5212 wrote to memory of 3388	5212	CDS.exe	91
PID 3388 wrote to memory of 5556	3388	crypted.exe	93
PID 3388 wrote to memory of 5556	3388	crypted.exe	93
PID 3388 wrote to memory of 5556	3388	crypted.exe	93
PID 5556 wrote to memory of 2344	5556	Trojan.exe	94
PID 5556 wrote to memory of 2344	5556	Trojan.exe	94
PID 5556 wrote to memory of 2344	5556	Trojan.exe	94

C:\Users\Admin\AppData\Local\Temp\81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe
"C:\Users\Admin\AppData\Local\Temp\81b43cfc12c88b2f8ff2f863bafe928a806bc6d80f5b30d16825daead2652800.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5140
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5212
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3388
  - - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5556
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2344

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4e4 0x398
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

Filesize
2KB

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

Filesize
13KB

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

Filesize
29KB

MD5
65cd3dc507ef932f803e32b5acc36f93

SHA1
8c34fae3430537a6d58d33ec81c1b531a78cf7fe

SHA256
b709d55549411f0e4f1c7c5bd3daf3e5dbd52ad9cf4fc4477c7a3a7ed484c8c2

SHA512
7901fa405759032ddbf7289a99c0c0388e0a7d94dce2f1450479e1abae25df5498fa0fd140f6a91acc20d3903b4a8f055630f0de2bd7d74e2d4f7c32c8020216

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
29KB

MD5
378c052edda14949c6839347add5d3c3

SHA1
18e077b6518cea99eda597343706317e2c00c86b

SHA256
5136733ef2532e31879ef8577d3c6c4b2365960861a4fc946baf4d79270003d7

SHA512
062bbdd9db8dcc690cdcb568325eb984b79ae25d84414618f4e61cff79f67d1d496fe742c1c4862e191363e552045c054337d3c2f06ad2e146fc59decb384f02

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

Filesize
5B

MD5
68934a3e9455fa72420237eb05902327

SHA1
7cb6efb98ba5972a9b5090dc2e517fe14d12cb04

SHA256
fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa

SHA512
719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads